-77.44% is the change from 430 to 97
Calculation steps:
[( 97 - 430 ) ÷ 430] x 100 = -77.44%
Formula
Percentage change = [(97 - 430) / 430] x 100
Subtract the new number by the original number
97 - 430 = -333
-333 ÷ 430 = -0.7744186046511627
-0.7744186046511627 x 100 = -77.44%